I'm guessing at some point we'll want to normalize the taxonomy term's field in {taxonomy_entity_index} since technically a node could be 'tagged' with the same term in two different fields. If the user were to remove one of the fields, it should only delete the record applicable.
Comments
Comment #1
dave reidAdded field_name and bundle columns with http://drupalcode.org/project/taxonomy_entity_index.git/commit/7bf1211. Should not affect existing data.